repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * This file is part of FFmpeg. | |
| 3 | * | |
| 4 | * FFmpeg is free software; you can redistribute it and/or | |
| 5 | * modify it under the terms of the GNU Lesser General Public | |
| 6 | * License as published by the Free Software Foundation; either | |
| 7 | * version 2.1 of the License, or (at your option) any later version. | |
| 8 | * | |
| 9 | * FFmpeg is distributed in the hope that it will be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | * Lesser General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU Lesser General Public | |
| 15 | * License along with FFmpeg; if not, write to the Free Software | |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 17 | */ | |
| 18 | ||
| 19 | #include "config.h" | |
| 20 | #include "libavutil/attributes.h" | |
| 21 | #include "libavutil/cpu.h" | |
| 22 | #include "libavutil/samplefmt.h" | |
| 23 | #include "libavutil/x86/cpu.h" | |
| 24 | #include "libavfilter/af_volume.h" | |
| 25 | ||
| 26 | void ff_scale_samples_s16_sse2(uint8_t *dst, const uint8_t *src, int len, | |
| 27 | int volume); | |
| 28 | ||
| 29 | void ff_scale_samples_s32_sse2(uint8_t *dst, const uint8_t *src, int len, | |
| 30 | int volume); | |
| 31 | void ff_scale_samples_s32_ssse3_atom(uint8_t *dst, const uint8_t *src, int len, | |
| 32 | int volume); | |
| 33 | void ff_scale_samples_s32_avx(uint8_t *dst, const uint8_t *src, int len, | |
| 34 | int volume); | |
| 35 | ||
| 36 | av_cold void ff_volume_init_x86(VolumeContext *vol) | |
| 37 | { | |
| 38 | int cpu_flags = av_get_cpu_flags(); | |
| 39 | enum AVSampleFormat sample_fmt = av_get_packed_sample_fmt(vol->sample_fmt); | |
| 40 | ||
| 41 | if (sample_fmt == AV_SAMPLE_FMT_S16) { | |
| 42 | if (EXTERNAL_SSE2(cpu_flags) && vol->volume_i < 32768) { | |
| 43 | vol->scale_samples = ff_scale_samples_s16_sse2; | |
| 44 | vol->samples_align = 8; | |
| 45 | } | |
| 46 | } else if (sample_fmt == AV_SAMPLE_FMT_S32) { | |
| 47 | if (EXTERNAL_SSE2(cpu_flags)) { | |
| 48 | vol->scale_samples = ff_scale_samples_s32_sse2; | |
| 49 | vol->samples_align = 4; | |
| 50 | } | |
| 51 | if (EXTERNAL_SSSE3(cpu_flags) && cpu_flags & AV_CPU_FLAG_ATOM) { | |
| 52 | vol->scale_samples = ff_scale_samples_s32_ssse3_atom; | |
| 53 | vol->samples_align = 4; | |
| 54 | } | |
| 55 | if (EXTERNAL_AVX(cpu_flags)) { | |
| 56 | vol->scale_samples = ff_scale_samples_s32_avx; | |
| 57 | vol->samples_align = 8; | |
| 58 | } | |
| 59 | } | |
| 60 | } |